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Reasons why the bag filter does not get aerodynamic during production

浏览 Author Admin Browse Published 19/01/10

Reasons why the bag filter does not get aerodynamic during production

The fan can't draw smoke when it rotates, the suction of the electric furnace hood is lacking, the smoke escapes, and the three chimneys still smoke; the abilities of the hood, cooler, dust bag and induced draft fan do not match, and the system is generally lacking; smoke Hoods, coolers, bag filters and induced draft fans are irrational in structure and lack talents; ash production is not standardized, random stacks of smoke and dust are visible, and secondary dust is everywhere; there is no set of scientific treatment systems to ensure orderly operation.

Confirmation of equipment diagnosis: The bag filter system fails to operate, and there are technical problems, quality problems, and processing problems; the test run of the filter does not work, mainly due to technical problems, and belongs to the global structural equipment incident.

The bag filter is a dry dust filter device. It is suitable for trapping fine, dry, non-fibrous dust.

The contractor needs to understand the important influence of flue gas characteristics and soot characteristics on the design, selection and work of the dust removal equipment. The calcium carbide furnace flue gas is a special kind of flue gas, which not only has the general industrial furnace flue gas composition, but also has the characteristics of high moisture content (30%), which causes the dew point temperature to be above 215 ° C, which is prone to condensation during work. The component of calcium carbide furnace dust is mainly CaO, which must be fouled after dew condensation. The fouling must cause the filter bag to stagnate and be impermeable, resulting in the loss of the filtering function of the filter material, which is a fatal factor that causes the paralysis of the dust removal equipment. The temperature of the filter bag must not be desperately cooled, which will cause condensation and scaling of the filter bag.

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